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Finding the Fourth Proportional to 453,170.98, 625,406.52 and 299,945.17

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Solution

The fourth proportional to 453,170.98, 625,406.52 and 299,945.17 is: 413,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,170.98 : 625,406.52 = 299,945.17 : x
  2. Step 2: Convert to fraction form
    453,170.98/625,406.52 = 299,945.17/x
  3. Step 3: Cross multiply
    453,170.98x = 625,406.52 × 299,945.17
  4. Step 4: Simplify right side
    453,170.98x = 187,587,664,960.51
  5. Step 5: Solve for x
    x = 187,587,664,960.51/453,170.98
  6. Step 6: Final answer
    x = 413,944.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.